Error executing template "/Designs/PLC/nolayout/Paragraph/Worldpay_Notification_Force_Order_Complete.cshtml"
System.Xml.XmlException: Root element is missing.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
at System.Xml.XmlDocument.Load(XmlReader reader)
at System.Xml.XmlDocument.LoadXml(String xml)
at CompiledRazorTemplates.Dynamic.RazorEngine_afbfa10b089f4a68889a84abffc4d4b1.Execute() in E:\www\LIVE_(9.14.9)\Solutions\Files (9.14.9)\Templates\Designs\PLC\nolayout\Paragraph\Worldpay_Notification_Force_Order_Complete.cshtml:line 25
at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
at Dynamicweb.Rendering.Template.RenderRazorTemplate()
  1     @using System
  2     @using System.IO
  3     @using System.Text
  4     @using System.Web
  5     @using System.Net
  6     @using Dynamicweb.Ecommerce.CheckoutHandlers.WorldPay_Secure
  7     @using PLCHomeDeliveryInvoice
  8     @using System.Xml
  9 10     @{
 11         string message = "";
 12         string worldpayNotiXMLString = "";
 13 14         using (Stream receiveStream = HttpContext.Current.Request.InputStream)
 15         {
 16             HttpContext.Current.Response.StatusCode = (int)HttpStatusCode.OK ;
 17             receiveStream.Position = 0;
 18             using (StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8))
 19             {
 20                 worldpayNotiXMLString = readStream.ReadToEnd();
 21             }
 22         }
 23 24         XmlDocument xmlDoc = new XmlDocument();
 25         xmlDoc.LoadXml(worldpayNotiXMLString);
 26         string orderId = "";
 27         orderId = xmlDoc.SelectSingleNode("//orderStatusEvent").Attributes["orderCode"].Value;
 28         PLCHomeDeliveryInvoice.Service.DiscountRemoveService discountRemoveService = new PLCHomeDeliveryInvoice.Service.DiscountRemoveService();
 29         discountRemoveService.DeleteFreeItems(orderId);
 30 31         Dynamicweb.Ecommerce.CheckoutHandlers.WorldPay_Secure.WorldPay_Secure checkoutHandler = new Dynamicweb.Ecommerce.CheckoutHandlers.WorldPay_Secure.WorldPay_Secure();
 32         message = checkoutHandler.StateSuccessForNoti(worldpayNotiXMLString);
 33     }
 34     {"MESSAGE":"@message"}